Abstract: Section insulator for an overhead contact line arranged for being placed between two isolated sections of said overhead contact line, said section insulator having an insulating element placed between two contact wires of two adjacent sections of an overhead line; two clamps respectively connected on one side to a respective contact wire and on the other side to a connecting plate arranged for being in turn connected to the insulating element, so that the tensile force due to the contact wires applies along the axis of the insulating bar; and supporting means directly connected to the insulating element through the connecting plates and arranged for supporting the section insulator to the overhead line.

Abstract: A section disconnect device for a contact line assigned in particular to railborne vehicles as overhead line and carrying high voltage, having a single section arrangement (10) with multiple line sections extending, such that it is tensioned or can be tensioned, between two contact-wire connecting heads (12, 14) and provided with insulator means (36, 38), which line section arrangement is constructed such that it can be mounted by means of respective accommodating sections (66) of the contact-wire connecting heads in an electrically and mechanically contacting manner between exposed ends (16, 18) of the contact line, as a result of which at least one of the contact-wire connecting heads (12, 14) has adjustable level equalization means (66, 68, 70) for interacting with a head-side end (20, 24) of the line section arrangement (10), which are constructed in such a manner that, with respect to a current collector contact, in particular a current-collector-contact side of the contact line and/or a current-collecto

Abstract: A cantilever supports a catenary to supply energy to a vehicle. The cantilever includes a cross-member adapted to be attached to a support structure, the cross-member extending along a longitudinal axis (X-X), and at least one attachment connected to the cross-member. The cross-member includes an outer surface, the outer surface including at least a first side having a non-circular shape in a section plane (II-II) that is orthogonal to the longitudinal axis (X-X). The attachment includes at least one collar encircling the cross-member, and the collar includes at least one contact face in contact with the at least first side.

Abstract: The section insulator for rigid conductor rails has conductive runners, a ramp and an insulating runner, each connected to one conductor rail. The conductor runners (7, 7?) and the ramps (11, 11?) are connected to one another at one end and at their other ends to the conductor rail, wherein the latter mentioned ends are offset relative to each other in the longitudinal direction (3). The two conductor rails (1, 2) are rigidly and torsion-resistantly connected to one another by insulating profiles (5, 6). Insulating runners (14, 14?) are attached to the insulating profiles opposite the respective conductive runner, so that a current collector is properly guided when passing by. An insulating spacing is present between the ends of the conductive runners (7, 7?) and the ends of the closest insulating runner (14, 14?).

Abstract: In an insulating section, a power feeding rail, and a track transportation system, the insulating section extending along a travel direction of a vehicle and connecting electric train lines coming into contact with a pantograph of the vehicle at a contact surface facing the vehicle is characterized by including: a main surface portion formed on a surface which follows a current-conducting surface coming into contact with the pantograph in the electric train line, and having a portion in which a width in an up-down direction orthogonal to the travel direction is larger than the width of the pantograph; and inclined surface portions provided on both sides in the up-down direction on at least the near side in the travel direction of the main surface portion, inclined so as to gradually approach the vehicle as it goes toward the far side from the near side in the travel direction, and connected to the main surface portion.

Abstract: A moveable catenary system for carrying a container using an electric container freight train includes: a main rail track disposed beside a freight platform; a plurality of catenary masts disposed beside the main rail track; fixed support units fixedly coupled in a cantilever shape to the catenary masts, respectively, with the exception of the catenary masts corresponding to the freight platform; vertical driving support units coupled in the cantilever shape to the catenary masts corresponding to the freight platform so as to vertically rotate the catenary masts, respectively; a fixed catenary coupled to the fixed support units such that positions at which the vertical driving support units are disposed are cut and the vertical driving support units are disposed inside and along the main rail track; a moveable catenary connected to the vertical driving support unit, the movable catenary being circularly moved in a vertical direction according to the vertical rotation of the vertical driving support units; and

Abstract: Section insulator for rigid catenary which has a dual functionality, since it can exercise the functions both of conventional section insulator and of neutral section insulator, configured so that it maintains a mechanical continuity which allows the smooth passage of the pantograph, minimizing the requirement for adjustment and maintenance. The insulator basically comprises a pair of conductor rail segments (2) between which is disposed a single central shoe (1) obliquely disposed with respect to the direction of the catenary, a pair of spark wires (9) wherein the electric field is broken and a series of strips (8) disposed on said central shoe (1) which, together with a bridging cable which extends from them to the conductor rail segment (2), enables bridging the wire conductor of the insulator (3) when one want to maintain the power supply to the pantograph.

Abstract: In a neutral section (1) for use with an overhead railway conductor line, which neutral section (1) is disposed between the ends of the conductor line when in use and comprises an insulator (10) to isolate the ends of the conductor line from each other, the neutral axis of the neutral section (1) being such that when the neutral section (1) is in use the neutral axis is aligned closely with the neutral axis of the conductors on its either side and the height of the insulator (10) is chosen so that the stiffness and the dynamic mass of the neutral section (1) closely match those of the conductors on its either side in both the vertical and horizontal planes.

Abstract: Section insulator for rigid catenary which has a dual functionality, since it can exercise the functions both of conventional section insulator and of neutral section insulator, configured so that it maintains a mechanical continuity which allows the smooth passage of the pantograph, minimizing the requirement for adjustment and maintenance. The insulator basically comprises a pair of conductor rail segments (2) between which is disposed a single central shoe (1) obliquely disposed with respect to the direction of the catenary, a pair of spark wires (9) wherein the electric field is broken and a series of strips (8) disposed on said central shoe (1) which, together with a bridging cable which extends from them to the conductor rail segment (2), enables bridging the wire conductor of the insulator (3) when one want to maintain the power supply to the pantograph.

Abstract: In a neutral section (1) for use with an overhead railway conductor line, which neutral section (1) is disposed between the ends of the conductor line when in use and comprises an insulator (10) to isolate the ends of the conductor line from each other, the neutral axis of the neutral section (1) being such that when the neutral section (1) is in use the neutral axis is aligned closely with the neutral axis of the conductors on its either side and the height of the insulator (10) is chosen so that the stiffness and the dynamic mass of the neutral section (1) closely match those of the conductors on its either side in both the vertical and horizontal planes.

Abstract: In a neutral section (1) for use with an overhead railway conductor line, which neutral section (1) is disposed between the ends of the conductor line when in use and comprises an insulator (10) to isolate the ends of the conductor line from each other, the neutral axis of the neutral section (1) being such that when the neutral section (1) is in use the neutral axis is aligned closely with the neutral axis of the conductors on its either side and the height of the insulator (10) is chosen so that the stiffness and the dynamic mass of the neutral section (1) closely match those of the conductors, on its either side in both the vertical and horizontal planes.

Abstract: The contact rail assembly (1) for electrically driven vehicles has two essentially rigid contact rails (2, 2′, 44) which are arranged in a line in the travel direction and are separated by a distance (L1). Two transition horns (6, 6′, 45a, 45b) extend into the intermediate transition region, wherein one transition horn (6, 6′, 45a, 45b) is attached to each of the contact rails (2, 2′, 44). On one section (L2) of the transition region there are the transition horns (6, 6′, 45a, 45b) that run parallel to each other separated by a distance (L3) and at an angle to the contact rail (2, 2′, 44) and essentially parallel to the plane of travel of the vehicle, whereby the width of the transition horns (6, 6′, 45a, 45b) is less than the width of the contact rails (2, 2′, 44).

Abstract: An electrical supply device with a conduit and movable electrical connector, includes conduit sections (1) in an insulating material, in which are disposed electrical conductors (2) interconnected at the level of the junctions of the conduit sections (1); joint covers (3) for connection of the conduit sections (1) insulating the electrical connections of the electrical conductors (2); at least one supply box (4) in line or at one end, by closure caps (5) for the ends of the electrical supply line formed by the conduit sections (1); suspensions (6) for the conduit sections (1); and at least one collector carriage (7) permitting directing the electrical current toward any fixed or movable receiver.

Abstract: An overhead traction wire support which including a first plate and a second plate, the first plate having on at least one side at least one leg which can be fastened to a ceiling or a wall of a structure. A second plate, which is made of an electrically conducting material, is held at a distance from the first plate via at least one insulator. A current conductor, along which a current collector can slide, is fastened in an electrically conducting fashion to the second plate on the side which faces away from the first plate, and at least one current amplification line is arranged on the second plate parallel to the current conductor.

Abstract: A section insulator for securing adjoining overhead contact wires for use by electric vehicles having a current collector, such section insulator including structural members to prevent destructive arcing caused by the passage of the current collector thereover. The structural members include first and second tension beams with replaceable arc shields mounted thereon, an adjustable center runner which can be lowered to compensate for wear, and arcing horns of a configuration to aid in the dissipation of electric arcs away from the structural members.

Abstract: A section insulator including a plurality of discrete runners with associated diodes preventing current from passing from a first circuit to a second circuit and vice versa of a power line having separate circuits to prevent arcing as an electric vehicle's current collector passes along the section insulator between the first and second circuits while the vehicle maintains a constant flow of electric current as it passes along the section insulator.

Abstract: A current contact line arrangement includes a plurality of energy and control current contact lines for engagement with current collectors of a movable energy consumer such as a crane, trolley carriage or the like which is not intended to pass beyond a predetermined point and is characterized by the fact that at least one of the energy or control current contact lines (5) is covered by an insulator (9) which is longer than the brake path of the movable energy consumer.

Abstract: In lightweight fabricated equipment of an overhead electric traction system, (e.g., section insulators and neutral sections), comprising at least one tension insulator mechanically connected between and electrically insulating from one another two elongate metal members, in at least one mechanical connection between the tension insulator and elongate metal member, an insulating end part of the tension insulator and an end part of the elongate metal member butt or are spaced apart and have a supplementary connecting member connected to them by separate securing bolts. The undersurfaces of the end parts of the tension insulator and elongate metal member and the undersurface of the supplementary connecting member constitute a smooth running surface.

Abstract: A fused trolley line insulation switch for use in underground mine haulage systems. When opened, the switch allows isolation of down stream feeder cables and trolley line wire. When closed, the switch provides short circuit protection to the system by a fuse on the switch. The fuse is located on the blade member interconnecting the upstream system portion and the downstream system portion thereby allowing quick and safe replacement of the fuse after the occurence of a ground fault.

Abstract: The overhead contact conductor of an electric railway has sections where one conductor ends and another begins. The ends of two contact conductors are fastened to a section insulator having two insulation strips between which are arranged two arc horns. The insulation strips are constructed of fiber-reinforced plastic. In order to provide increased creep resistance, the lower sides of the insulation strips are positioned above the contact conductor plane and each of the insulation strips is connected with an upright contact bar, the length of which essentially spans the gap between the arc horns. By using spacers, the contact bars are arranged on the insulation strip in such a way that the lower side of the contact bars forms a contact surface for the electric railway current collector, and not the lower side of the insulating strips.

Abstract: Phase break-section insulator devices for trolley contact wires of an overhead electrified railroad include parallel insulating rods joined up at their ends with two light weight crosspieces at each end. The rods have a glass fiber center surrounded by a tube of polytetrafluoroethylene, and this tube has grooves therein to prevent spread of moisture and dirt along the rod. Each rod end is joined to a metal sleeve, in turn joined to one of the end crosspieces. A contact wire clamp is secured between the two crosspieces at each end. A separate contact wire clamp adjacent each end of the device has current collector guides attached and extending along the device on opposite sides and also attached to the ends of the crosspieces. The crosspieces have openings for the contact wire and insulating rods to allow installation and adjustment of the device on the contact wire before this wire is cut. Similar crosspieces and guides may be used in the center section of a phase break.

Abstract: A section insulator for trolley wires of electric railways is disclosed. The ends of two trolley wires are fastened to two insulating sliding strips between which arcing horns are arranged. The insulating sliding strips comprise a fiber-reinforced plastic wherein the filament fibers of the fiber reinforcement are stacked parallel to each other and are arranged perpendicularly to the sliding surface. The arcing horns are approximately U-shaped with the legs of the U-shape forming a leading runner and an adjusting loop bridged by an approximately V-shaped cross-piece. The arcing horns are disposed with the arc guiding parts facing each other and lying above the two insulating sliding strips in their operating position. Depressions are provided in the sliding surface of the insulating sliding strips to reduce accumulation of deposits.

Abstract: In lightweight fabricated equipment of an overhead electric traction system, (e.g. section insulators and neutral sections), comprising at least one tension insulator mechanically connected between and electrically insulating from one another two elongate metal members, in at least one mechanical connection between the tension insulator and elongate metal member, an insulating end part of the tension insulator and an end part of the elongate metal member overlap and are interconnected by separate securing bolts. The undersurfaces of the end parts of the tension insulator and elongate metal member constitute a smooth running surface.

Abstract: An improved trolley system section insulator having a main support insulator, end support insulators attached to trolley wires and an intermediate runner member. The runner member is formed of two spaced conductive portions which are attached to the main support insulator by studs extending upwardly through the main support insulator, the studs being electrically connected together at their uppermost ends, thereby forming 90.degree. changes in direction of the current paths which exist when arcs are formed. The path changes produce magnetic fields which tend to blow the arcs downwardly, protecting the insulator portions from arc damage.

Abstract: A section insulator for insulating adjacent sections of contact wire of overhead power supply systems for electrified railway lines and the like is disclosed. The section insulator is interposed between separated ends of adjacent sections of contact wire. Rigid strain plates are secured to the opposed ends of the sections and a strain insulator is secured to the strain plates above the level of the contact wires to maintain the required tension in the contact wires. Spaced runners supported by the strain insulator extend between the contact wires, there being air gaps between the ends of the contact wires and the runners. A pair of diverging glider arms is secured to each contact wire section adjacent its end. The glider arms extend toward each other beyond the ends of the contact wire sections and overlap the ends of the runners, there being transverse air gaps between the diverging glider arms and the runners.

Abstract: Support assembly for joining and insulating a plurality of electrically-charged rails adaptable for transmitting electrical current to a trolley or like vehicle and comprising an insulative member surrounding each of the conductive rails, with adjacent rails and corresponding insulative members being joined at spaced junction hoods for ensuring complete insulation of the rails at all operating temperatures.

Abstract: An electrically insulated rail joint is protected from electrical shorting by laying an adhesive tape against the undersides and around the toes of the rails across their juncture. The adhesive tape has a thin plastic film backing which is exceedingly stretchy and a thick adhesive which is tacky, stretchy, self-sealing and more adhesive than cohesive.

Abstract: A section insulator for insulating adjacent sections of contact wire of overhead power supply systems for electrified railway lines and the like is disclosed. The section insulator is interposed between separated ends of adjacent sections of contact wire. Strain plates are secured to the opposed ends of the sections and a strain insulator is secured to the strain plates above the level of the contact wires to maintain the tension in the contact wires. Spaced runners supported by the strain insulator extend between the contact wires, there being air gaps between the ends of the contact wires and the runners. A pair of diverging glider arms is secured to each contact wire section adjacent its end. The glider arms extend toward each other beyond the ends of the contact wire sections and overlap the ends of the runners, there being transverse air gaps between the diverging glider arms and the runners.

Abstract: In a neutral section of an overhead electric traction system the contact wire and at least one catenary wire of one of two adjacent sections of the overhead electric traction system are secured to one end of an elongate insulated runner and the contact wire and at least one catenary wire of the other sections are secured to the other end of said elongate insulated runner or to one end of a second elongate insulated runner. At least one metallic member is positioned between and is spaced from the ends of said insulated runner, or separates and is connected to the other ends of said insulated runners, the undersurfaces of the contact wires, said insulated runner or runners and the elongate metallic member lying in a substantially common plane.

Abstract: An insulated runner for use in an overhead electric traction system comprises at least one elongate reinforcing body of high tensile strength made wholly or substantially of insulating material, for example a rod of resin bonded glass fiber, and provided with metal terminal fittings, and at least one body of abrasion-resistant ceramic or vitreous material which is associated with, and extends lengthwise between the terminal fittings of, the reinforcing body and which provides an effective running surface. The outermost surface of the insulated runner between its terminal fittings is of an insulating material that is resistant to tracking. The abrasion-resistant body may enclose fully the part of the reinforcing body extending between the terminal fittings. Preferably, however, the reinforcing body and parts of the abrasion-resistant body are enclosed throughout their lengths by a body of a resin composition or other tracking-resistant material.

Abstract: An electric insulator used as a section insulator directly inserted in an overhead contact wire comprises an elongate body of synthetic resin which is reinforced with glass fibres or other fibres of high tensile strength, and has substantially the whole of its exposed surface formed of one or more than one composition based on a cycloaliphatic resin cured with an acidic curing agent. At least one exposed resin surface (the running surface) that is continuous from end to end over at least a major portion of the length of the body is formed by a composition comprising the cured reaction product of 100 parts of a cycloaliphatic epoxy resin, 40-250 parts of an acidic hardener therefor and an effective amount of an accelerator and, dispersed in the said reaction product 50-400 parts of a mineral filler substantially wholly in the form of particles not greater in any dimension than 80 micrometers and 10-100 parts of a low-friction fluorocarbon polymer.